Scientists studied data from more than 75,600 people who said they'd been clinically diagnosed with depression and from more than 231,700 people who reported no history of depression. Photo: Lydia Ramsey/Business Insider

Scientists studied data from more than 75,600 people who said they'd been clinically diagnosed with depression and from more than 231,700 people who reported no history of depression. Photo: Lydia Ramsey/Business Insider